Perimenopause: What's Actually Happening, and What Helps

Menopause gets all the attention. Perimenopause is the part almost nobody names, and it is the part most women are actually living through when they first notice something has changed.

It is also the stretch where women are most often told everything looks normal, because on paper it usually does.

What perimenopause actually is

Perimenopause is the transition leading up to menopause. Menopause itself is a single day, twelve months after your final period. Everything before that, sometimes for eight or ten years, is perimenopause.

It commonly begins in the early to mid forties, though it can start in the late thirties. The defining feature is not that hormones decline steadily. It is that they fluctuate, sometimes wildly, from one cycle to the next. Oestrogen in particular can swing higher than it ever did before it eventually falls.

That is why the experience is so inconsistent, and why it is so often missed. A blood test on a good week can look entirely unremarkable.

What women actually notice first

Rarely hot flushes. Those come later for many women, if at all.

What comes first is usually more diffuse. Sleep that breaks at three in the morning for no reason. A shorter fuse. Anxiety that feels chemical rather than circumstantial. Periods that shift in timing or become much heavier. Joints that ache. A body composition that changes even though nothing about your eating or exercise has.

And very commonly, a sense that you are working harder than before for less result.

These are real physiological changes, not a failure of discipline. That distinction matters, because a great many women spend this decade quietly believing they have simply let themselves go.

Why muscle becomes the priority

Oestrogen does a great deal beyond reproduction. It supports bone density, helps maintain muscle, and influences how the body handles glucose.

As it declines, bone loss accelerates. Muscle becomes harder to hold on to and easier to lose. Body fat tends to redistribute toward the middle. None of this is inevitable in the sense of being unchangeable, but it does mean that continuing exactly what you did at thirty five will not produce the same outcome.

This is the single most useful thing I can tell you: this is the decade to start strength training, not the decade to back off it. The instinct many women have, to do more cardio and eat less, is close to precisely the wrong response. It accelerates muscle loss at exactly the moment muscle is hardest to keep.

What actually helps

Resistance work, progressively increased. Not the same three-pound weights indefinitely. Load that goes up over time is what signals bone and muscle to hold on. This is the core of what I do with women in the Muscle Integrity Program.

More protein than you think. The requirement rises in this decade while appetite often falls. I have set out the actual numbers in How Much Protein Do Women Actually Need.

Sleep treated as non-negotiable. Easier said than done when the waking is the symptom. But protecting the conditions for sleep, cool room, consistent timing, light in the morning, is worth more here than almost any supplement.

Balance and stability work. Bone density falls quietly, and the fracture that changes a life usually arrives via a fall. Training balance now is unglamorous and enormously worth it.

Something for the nervous system. The anxiety and the three a.m. waking are among the hardest parts, and they are not fixed by trying harder.

On hormone therapy

I am a Pilates instructor, not a physician, and this is genuinely a medical decision rather than a lifestyle one.

What I will say is that the guidance has shifted considerably over the last decade, that many women were steered away from hormone therapy on the basis of research that has since been substantially reinterpreted, and that it is worth a proper conversation with a clinician who is current on it rather than one who dismisses the question.

Ask specifically for someone experienced in menopause care. Not every doctor is, and the difference in the quality of that conversation is significant.

What I would tell you if you were in front of me

You are not imagining it, and you have not simply lost your discipline.

The rules changed. Nobody told you they were changing, and the strategies that worked for twenty years stopped working more or less overnight. That is not a personal failing, it is physiology, and it responds well to a different approach.

The women I work with who come through this decade strongest are not the ones who fought hardest. They are the ones who changed tactics early, put muscle at the centre, and stopped treating rest as a reward they had to earn.

If you are somewhere in this and want help building the strength side of it, start with a conversation. That is what the phone consultation is for.